Frost Dates for Bonham Rsvr, CO

Elevation: 3003 m

Frost Dates

This location has year-round freezing temperatures.

39.10°N, 107.90°W © OpenStreetMap

USDA Hardiness Zone

Zone 4b

Avg. annual minimum: −25 to −20°F

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Köppen Climate

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

0° 20° 40° 60°

16°

Jan

15°

Feb

23°

Mar

29°

Apr

38°

May

49°

Jun

55°

Jul

52°

Aug

46°

Sep

35°

Oct

24°

Nov

15°

Dec

32°F

28°F

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	26°	16°	6°
February	27°	15°	4°
March	34°	23°	12°
April	40°	29°	17°
May	49°	38°	27°
June	62°	49°	37°
July	68°	55°	42°
August	64°	52°	40°
September	57°	46°	34°
October	45°	35°	24°
November	34°	24°	14°
December	26°	15°	5°

Precipitation

0" 1" 2" 3" 3.4"

2.5"

Jan

2.6"

Feb

3.3"

Mar

3.0"

Apr

2.6"

May

2.6"

Jun

2.7"

Jul

2.4"

Aug

3.1"

Sep

3.4"

Oct

3.1"

Nov

2.5"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.5
February	2.6
March	3.3
April	3.0
May	2.6
June	2.6
July	2.7
August	2.4
September	3.1
October	3.4
November	3.1
December	2.5

Sunrise / Sunset

Jan: 7:14 AM – 4:46 PM · 9h 32m

Feb: 6:44 AM – 5:16 PM · 10h 31m

Mar: 6:09 AM – 5:51 PM · 11h 42m

Apr: 5:29 AM – 6:31 PM · 13h 02m

May: 4:56 AM – 7:04 PM · 14h 08m

Jun: 4:38 AM – 7:22 PM · 14h 44m

Jul: 4:45 AM – 7:15 PM · 14h 30m

Aug: 5:14 AM – 6:46 PM · 13h 32m

Sep: 5:53 AM – 6:07 PM · 12h 14m

Oct: 6:32 AM – 5:28 PM · 10h 57m

Nov: 7:06 AM – 4:54 PM · 9h 49m

Dec: 7:22 AM – 4:38 PM · 9h 16m

Daylight Longest: 14h 45m · Shortest: 9h 15m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	7:14 AM	4:46 PM	9h 32m
February	6:44 AM	5:16 PM	10h 31m
March	6:09 AM	5:51 PM	11h 42m
April	5:29 AM	6:31 PM	13h 02m
May	4:56 AM	7:04 PM	14h 08m
June	4:38 AM	7:22 PM	14h 44m
July	4:45 AM	7:15 PM	14h 30m
August	5:14 AM	6:46 PM	13h 32m
September	5:53 AM	6:07 PM	12h 14m
October	6:32 AM	5:28 PM	10h 57m
November	7:06 AM	4:54 PM	9h 49m
December	7:22 AM	4:38 PM	9h 16m

Nearby Stations

Collbran 1wsw, CO May 17 - September 30 Cedaredge 3e, COMay 3 - October 9 Paonia 1sw, COMay 3 - October 12 Palisade, COApril 17 - October 26 Delta 3e, COMay 1 - October 7 Rifle Garfield Co AP, CO May 11 - October 4

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